{"id":"CVE-2022-49982","state":"PUBLISHED","title":"media: pvrusb2: fix memory leak in pvr_probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pvrusb2: fix memory leak in pvr_probe\n\nThe error handling code in pvr2_hdw_create forgets to unregister the\nv4l2 device. When pvr2_hdw_create returns back to pvr2_context_create,\nit calls pvr2_context_destroy to destroy context, but mp->hdw is NULL,\nwhich leads to that pvr2_hdw_destroy directly returns.\n\nFix this by adding v4l2_device_unregister to decrease the refcount of\nusb interface.","publishedAt":"2025-06-18T11:00:44.285Z","updatedAt":"2026-05-11T19:10:27.471Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"2fe46195d2f0d5d09ea65433aefe47a4d0d0ff4d","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"ba7dd8a9686a61a34b3a7b922ce721378d4740d0","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"491762b3250fb06a0c97b5198656ea48359eaeed","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"466b67c0543b2ae67814d053f6e29b39be6b33bb","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"bacb37bdc2a21c8f7fdc83dcc0dea2f4ca1341fb","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"f2f6e67522916f53ad8ccd4dbe68dcf76e9776e5","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"c02d2a91a85c4c4d05826cd1ea74a9b8d42e4280","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"945a9a8e448b65bec055d37eba58f711b39f66f0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.30","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.30","versionType":"semver"},{"version":"4.9.327","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.292","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.257","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.212","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.141","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.65","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.7","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]}],"references":["https://git.kernel.org/stable/c/2fe46195d2f0d5d09ea65433aefe47a4d0d0ff4d","https://git.kernel.org/stable/c/ba7dd8a9686a61a34b3a7b922ce721378d4740d0","https://git.kernel.org/stable/c/491762b3250fb06a0c97b5198656ea48359eaeed","https://git.kernel.org/stable/c/466b67c0543b2ae67814d053f6e29b39be6b33bb","https://git.kernel.org/stable/c/bacb37bdc2a21c8f7fdc83dcc0dea2f4ca1341fb","https://git.kernel.org/stable/c/f2f6e67522916f53ad8ccd4dbe68dcf76e9776e5","https://git.kernel.org/stable/c/c02d2a91a85c4c4d05826cd1ea74a9b8d42e4280","https://git.kernel.org/stable/c/945a9a8e448b65bec055d37eba58f711b39f66f0"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49982.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49982","state":"PUBLISHED","datePublished":"2025-06-18T11:00:44.285Z","dateUpdated":"2026-05-11T19:10:27.471Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.385Z"},"containers":{"cna":{"title":"media: pvrusb2: fix memory leak in pvr_probe","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pvrusb2: fix memory leak in pvr_probe\n\nThe error handling code in pvr2_hdw_create forgets to unregister the\nv4l2 device. When pvr2_hdw_create returns back to pvr2_context_create,\nit calls pvr2_context_destroy to destroy context, but mp->hdw is NULL,\nwhich leads to that pvr2_hdw_destroy directly returns.\n\nFix this by adding v4l2_device_unregister to decrease the refcount of\nusb interface."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"2fe46195d2f0d5d09ea65433aefe47a4d0d0ff4d","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"ba7dd8a9686a61a34b3a7b922ce721378d4740d0","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"491762b3250fb06a0c97b5198656ea48359eaeed","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"466b67c0543b2ae67814d053f6e29b39be6b33bb","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"bacb37bdc2a21c8f7fdc83dcc0dea2f4ca1341fb","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"f2f6e67522916f53ad8ccd4dbe68dcf76e9776e5","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"c02d2a91a85c4c4d05826cd1ea74a9b8d42e4280","versionType":"git"},{"version":"b72b7bf5cbb2ae77b3bf748456655fc284baf04c","status":"affected","lessThan":"945a9a8e448b65bec055d37eba58f711b39f66f0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.30","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.30","versionType":"semver"},{"version":"4.9.327","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.292","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.257","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.212","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.141","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.65","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.7","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2fe46195d2f0d5d09ea65433aefe47a4d0d0ff4d"},{"url":"https://git.kernel.org/stable/c/ba7dd8a9686a61a34b3a7b922ce721378d4740d0"},{"url":"https://git.kernel.org/stable/c/491762b3250fb06a0c97b5198656ea48359eaeed"},{"url":"https://git.kernel.org/stable/c/466b67c0543b2ae67814d053f6e29b39be6b33bb"},{"url":"https://git.kernel.org/stable/c/bacb37bdc2a21c8f7fdc83dcc0dea2f4ca1341fb"},{"url":"https://git.kernel.org/stable/c/f2f6e67522916f53ad8ccd4dbe68dcf76e9776e5"},{"url":"https://git.kernel.org/stable/c/c02d2a91a85c4c4d05826cd1ea74a9b8d42e4280"},{"url":"https://git.kernel.org/stable/c/945a9a8e448b65bec055d37eba58f711b39f66f0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:10:27.471Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"4.9.327"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"4.14.292"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"4.19.257"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.4.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.10.141"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.15.65"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}